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Read this:  So, who will supply this super battery? There was a rumor that silver-zinc battery startup ZPower had nabbed the deal. But, unfortunately for ZPower, Apple has decided to go with lithium-polymer batteries; ZPower confirmed with us today that it is not working on this type of battery.

Other possibilities could be a major manufacturers, like Toshiba, which has been increasing its efforts for cutting edge lithium ion battery technology. Sanyo and Panasonic are joining up to become a lithium-ion battery powerhouse, as well.

If it is a startup, the deal is a major win for a small firm. Boston Power makes a next-gen lithium-ion battery and signed a deal with HP last month. Like the battery promised for the new MacBook Pro, Boston Power’s “Sonata” batteries are said to operate at 80 percent capacity for at least three years. But Boston’s battery runs closer to four hours per charge, so the design would have to be tweaked considerably. Startup Actacell is working on next-generation lithium-ion technology, and it’s backed by several venture firms and Google.org. But, so far, Actacell has focused on high-power batteries for electric vehicles. Startup Mobius Power is also working on lithium-ion batteries that it says can be used for notebooks.

Apple’s wording about its battery technology largely credits Apple engineers with improving the battery technology, so it’s possible that Apple did a lot of the work in-house. Or perhaps the company is just blanketing the Apple brand over another company’s innovation.